function
custom_wp_allowed_protocols
(
)
{
static
$protocols
;
if
(
empty
(
$protocols
)
)
{
$protocols
=
array
(
'http'
,
'https'
,
'ftp'
,
'ftps'
,
'mailto'
,
'news'
,
'irc'
,
'gopher'
,
'nntp'
,
'feed'
,
'telnet'
,
'mms'
,
'rtsp'
,
'svn'
,
'tel'
)
;
$protocols
=
apply_filters
(
'kses_allowed_protocols'
,
$protocols
)
;
}
return
$protocols
;
}
add_filter
(
'wp_allowed_protocols'
,
'custom_wp_allowed_protocols'
)
;